
CodeSandbox
replit
CodePen
JSFiddle
Glitch
GitHub Codespaces
vscode.dev
Online VS Code Editor for Angular and React

Codio
GitHub Classroom
Moodle
Automated grading of programming labs for university courses

Which is more popular?
Based on our record, StackBlitz seems to be more popular. It has been mentioned 112 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | stackblitz.com | autolabsuite.com |
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| Platforms | — | |
| Company | — | Startup from Belarus · 1 - 9 employees |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of StackBlitz yet.
Students submit lab work as GitHub or GitLab pull requests. AutoLabSuite runs the automated checks, applies the course rubric, and hands the teacher a prepared grade with the evidence behind it. The final decision stays with the teacher. Grading criteria are stored as a file in the course...
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
StackBlitz - Online Code Editor For Angular and React - Introduction
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing StackBlitz and AutoLabSuite.
AutoLabSuite's answer:
AutoLabSuite's answer:
The work stays where the department already keeps it. Students submit through a merge request in the university's own GitLab, or on GitHub. We do not bring our own code hosting.
The criteria are readable before the work starts. They live as a file in the course repository, so a student sees the same rubric the grader applies, and any change to it shows up in the history.
A confirmed grade does not move on its own. Edit the rubric mid-semester if you need to; work that was already graded is not recalculated. Changing a grade is a deliberate act by the teacher, it requires a reason, and it is logged.
AutoLabSuite's answer:
AutoLabSuite's answer:
Departments that teach programming and collect code from students. Most of the load falls on the lecturer grading lab work every week, so that is who the interface is built around. A department already keeping coursework on GitHub or its own GitLab does not have to move anything.
AutoLabSuite's answer:
I teach at Brest State Technical University: web technologies, distributed systems and cloud technologies, language processes of intelligent systems.
My problem was never that grading is dull. It was that a better lab costs more to grade. Every time I made a task harder or more interesting, the time to check one submission went up with it. Twenty minutes was the good case. An hour was normal. With around 500 lab submissions and 50 coursework projects in a semester, that arithmetic quietly decides what you are allowed to assign, and I was giving out easier labs than I wanted to.
In the autumn of 2025 the courses moved to GitHub. Not to build a product. Students have to learn pull requests anyway, the mechanism already exists, and it is better than anything I would invent in its place. A submission became a pull request, and the history of a work finally sat in one place.
The automation came after that. A lab now takes one to three minutes to check. That did not buy me free evenings. It let me raise the difficulty of the labs without paying for it in grading time, which was the point from the very beginning.
AutoLabSuite's answer:
Python, FastAPI, PostgreSQL, Alembic, Next.js, TypeScript, React, Playwright, Docker. Sign-in through OIDC, tested against Keycloak.
Share your experience with using StackBlitz and AutoLabSuite. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


All applications created on StackBlitz also get deployed automatically on their servers! So, this Angular toy app I just created is hosted automatically on https://angular-yvyi2j.stackblitz.io/. Most likely, the URL...
I've started using this as my main IDE for new projects when I'm trying things out. If it keeps getting better at the rate it has been, it'll be even better than coding locally.
StackBlitz claims to allow you to code the future in your browser. And after trying it, I’m confident you’ll agree that this web application is extremely useful for coders.
We have no reviews of AutoLabSuite yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Managing reactive state and dependent computations in JavaScript can get complex, especially when combining asynchronous and synchronous data. RS-X is a library that allows you to bind expressions to plain objects and makes the parts of... - Source: Hacker News / 8 months ago
I like htmx, LiveView, React and Solid. They are great at different points, so I try to combine them in Solv (Stateless Offline-capable LiveView) and write a prototype to show the benefits. Solv's main idea is that stateless servers keep... - Source: Hacker News / 11 months ago
I like htmx, LiveView, React and Solid. They are great at different points, and this is a prototype trying to combine them. Solv's main idea is that stateless servers keep client's state in a volatile cache. It enables server components... - Source: Hacker News / 11 months ago
Tracking AutoLabSuite since Aug 2026.
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